We are currently allowing in person inside during Doctor visits if they are masked and vaccinated. We are still operating via curbside options. Learn More or Call us: 301-874-8880. After Hour Emergency: 301-368-6259. Get Directions


Focusing on shaping and influencing the behavior of your growing puppy. Puppy Preschool is designed to teach owners how to better understand their puppy’s needs, establish effective communication, curb behavior problems, and to show owners how to properly socialize their new puppy. Puppy preschool is designed for puppies as young as 8 weeks yet no older than 16 weeks. This early start is crucial in aiding the development of your new puppy.



Classes held two times per week. Options available for:

  • Drop-in
  • 3-month membership
  • 6-month membership


Please call (301) 368-6307 and press 1 when prompted for any training related questions.

Contact Us

Greenbriar Veterinary Hospital & Luxury Pet Resort


3051 Thurston Rd Frederick, MD 21704


Resort: Monday - Friday: 7:00 AM to 6 PM Saturday: 8 AM to 3 PM Sunday: 9 AM to 12 PM for Pick-up and Drop-off Hospital: Monday - Friday: 8 AM to 6 PM Saturday: 9 AM - 3 PM Sunday: CLOSED